N identical cells, each of emf E, are connected in parallel. The emf of the combination is : (a)

Name: Problem 39, Chapter 26: Arihant AIEEE Physics
Uploaded: 2021-09-08T03:40:30-08:00
Duration: 2 min 50 s
Channel: Mahipal Kumawat
Description: N identical cells, each of emf E, are connected in parallel. The emf of the combination is : (a) N E (b) E (c) N^2 E (d) E / N

step 1 In the given figure, n identical cells are connected in parallel. So in parallel combination, if

N identical cells, each of emf E, are connected in parallel....

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Key Concepts

Electromotive Force (emf)

Emf is the energy provided by a battery or cell per unit charge that passes through the circuit, effectively representing the voltage generated by the cell. It is a fundamental electrical parameter that indicates the cell's potential to drive current through a circuit.

Series vs Parallel Connections

Understanding the difference between series and parallel connections is vital. In a series arrangement, voltages add up, so the overall emf is the sum of the individual emfs. In contrast, in a parallel connection, all cells share the same two nodes, which means the voltage across each cell is identical, and the overall emf remains the same as that of a single cell.

Equivalent Voltage in Parallel Circuits

When identical cells are connected in parallel, the overall emf of the combination is the same as the emf of one cell. This is because the parallel configuration forces every branch to have the identical voltage, regardless of the number of cells involved.

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